« Nuits des planètes » : searches for lines which have the exact phrase or expression.

One can restrict the search to one of the main sections of the site using the roll-down menu: Observatory, Research, Education, Public Outreach, General Utility Services, History and Heritage, News, Library, Press Corner.

The results are listed either in order relevance or in order of updates.

The references in the sections are listed before the references in the articles.